Re: APRS Time Slot Planning (Final Maybe?)
Michael West W5MAW
Chris N5CMR and I are thinking of bringing back our camera / SSTV payload (no tracker) from last year, but we don’t have a balloon prepared. We can help launch and recover one or more balloons.
By the way, we made a team name: “Those Two Texans” (TTT) 😊
Michael West W5MAW
From: GPSL@groups.io <GPSL@groups.io> On Behalf Of L. Paul Verhage KD4STH via Groups.Io
Sent: Friday, June 7, 2019 2:41 PM
Subject: [GPSL] APRS Time Slot Planning (Final Maybe?)
I found out yesterday that the KD4STH-2 tracker shifts its output one second early every five transmissions. It's a Strato Tracker and doesn't have the ability to set a time slot.
Bill, would you be interested in launching your backup tracker on a balloon with me if I bring a 1,000 gram balloon? I have a light-weight tracker (Track Soar) that I can pair up with it. That would give me four launches at GPSL.
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Here's my latest revisions including the two Pico balloons I plan to fly:
latex balloon trackers:
WB8ELK-11 144.390 time slot 0:47 144.340 time slot 0:52 flying with W0ZC
KF4ZTI-11 144.390 time slot 0:37 144.340 time slot 0:42 backup tracker if needed (no longer listed as WB8ELK-12)
Pico balloon trackers:
WB8MSJ-11 144.390 time slot 0:27 144.340 time slot 0:37
AK0SK-11 144.390 time slot 0:37 144.340 time slot 0:42
Even though AK0SK-11 and KF4ZTI-11 are on the same time slot, I have a randomizer routine that varies it plus or minus a second so they won't tromp on each other very often. No problems if KF4ZTI-11 doesn't fly.
And yes, I can make the alternate transmission 10 seconds after the 144.39 transmission or 5 seconds .
- Bill WB8ELK
Does this scheme work with everyone. I can reprogram any of them if necessary.
Here is what I think is getting close to our final...This information
Dr. L. Paul Verhage